Polytope of Type {8,4}
Play with this polytope as a twisty puzzle
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {8,4}*1344c
if this polytope has a name.
Group : SmallGroup(1344,11295)
Rank : 3
Schlafli Type : {8,4}
Number of vertices, edges, etc : 168, 336, 84
Order of s0s1s2 : 12
Order of s0s1s2s1 : 8
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Non-Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Skewing Operation
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {8,4}*672b
4-fold quotients : {8,4}*336a
Covers (Minimal Covers in Boldface) :
None in this atlas.
Irregular Quotients (of which this is a minimal cover):
P/N, where N=<s0*s1*s2*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1*s0*s1> of order 2.
42 facets:
42 of {8}*16
84 vertex figures:
84 of {4}*8
P/N, where N=<s1*s2*s1*s0*s1*s0*s2*s1*s0*s1*s0*s1*s0*s2*s1*s0*s1*s2> of order 2.
42 facets:
42 of {8}*16
84 vertex figures:
84 of {4}*8
P/N, where N=<s0*s1*s0*s2*s1*s0*s1*s0*s2*s1> of order 7.
12 facets:
12 of {8}*16
24 vertex figures:
24 of {4}*8
P/N, where N=<s0*s1*s0*s2*s1*s0*s1*s0*s2*s1, s1*s0*s1*s0*s1*s0*s2*s1*s0*s1*s2> of order 14.
6 facets:
6 of {8}*16
12 vertex figures:
12 of {4}*8
Permutation Representation (GAP) :
s0 := ( 3, 7)( 4, 5)( 6, 8)( 9,11)(10,12);;
s1 := ( 1, 3)( 2, 4)( 5, 6)( 7, 8)(11,12);;
s2 := (1,2)(3,7)(4,6)(5,8);;
poly := Group([s0,s1,s2]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2");;
s0 := F.1;; s1 := F.2;; s2 := F.3;;
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s1*s0*s1*s2*s1*s0*s2*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2,
s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(12)!( 3, 7)( 4, 5)( 6, 8)( 9,11)(10,12);
s1 := Sym(12)!( 1, 3)( 2, 4)( 5, 6)( 7, 8)(11,12);
s2 := Sym(12)!(1,2)(3,7)(4,6)(5,8);
poly := sub<Sym(12)|s0,s1,s2>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2,
s0*s2*s0*s2, s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s1*s0*s1*s2*s1*s0*s2*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2,
s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0 >;
References : None.
to this polytope
Twisty Puzzle